From ff64a9a9b09ed5fe38c430e1ae7e6a886b702836 Mon Sep 17 00:00:00 2001
From: hugova <hugova@kth.se>
Date: Tue, 25 Mar 2025 23:28:53 +0100
Subject: [PATCH] Add missing performance improvments to line_* from
 line_down.s

---
 wip-hugo/routines/line/line_up.s     | 6 +++---
 wip-hugo/routines/line/line_up_inv.s | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/wip-hugo/routines/line/line_up.s b/wip-hugo/routines/line/line_up.s
index b3ccb50..a477e69 100644
--- a/wip-hugo/routines/line/line_up.s
+++ b/wip-hugo/routines/line/line_up.s
@@ -56,18 +56,18 @@ increment_pixel_x_end:
         BEQ end
         Lag_16 >D, <D, #$00, #$02, case_2
 case_1:
-        Sub_16 >D, <D, >V, <V
+        Sub_16 >D, <D, >V, <V, !
 decrement_y_pos:
         DEY
         CPY #$ff
         BNE for_x
 move_8px_up:
         LDY #$07
-        Sub_16 >btp_mem_pos, <btp_mem_pos, #$40, #$01
+        Sub_16 >btp_mem_pos, <btp_mem_pos, #$40, #$01, !
         jmp for_x
 decrement_y_pos_end:
 case_2:
-        Add_16 >D, <D, >dy_2, <dy_2
+        Add_16 >D, <D, >dy_2, <dy_2, !
         JMP for_x
 end:
         RTS
diff --git a/wip-hugo/routines/line/line_up_inv.s b/wip-hugo/routines/line/line_up_inv.s
index 89975be..a3c43b0 100644
--- a/wip-hugo/routines/line/line_up_inv.s
+++ b/wip-hugo/routines/line/line_up_inv.s
@@ -50,7 +50,7 @@ decrement_y_pos:
         BNE decrement_y_pos_end
 move_8px_up:
         LDY #$07
-        Sub_16>btp_mem_pos, <btp_mem_pos,#$40 , #$01
+        Sub_16>btp_mem_pos, <btp_mem_pos,#$40 , #$01, !
 decrement_y_pos_end:
         DEX
         CPX Y_end
@@ -68,7 +68,7 @@ move_8px_left:
         STA byte_to_paint
         JMP for_y
 case_2:
-        Add_16 >D, <D, >dx_2, <dx_2
+        Add_16 >D, <D, >dx_2, <dx_2,!
         JMP for_y
 end:
         RTS